@alfeeii
@TOGERD
Yes, and we called those as Risk Factors, not ethiology (causalities). They do have the correlation but not direct causes. Beda.
Ubanan:
Causa? turunnya zat warna rambut (melanin, eumelanin, penomelanin)
Risk factors? Genetik, bertambahnya usia, kurang vit b12, hormonal, dll